Drop build dependency on python2-typing

python-dns.spec

@@ -25,7 +25,7 @@ manipulation of DNS zones, messages, names, and records. \
 
 Name:           python-%{py_package_name}
 Version:        1.16.0
-Release:        7%{?dist}
+Release:        8%{?dist}
 Summary:        %{summary}
 
 License:        MIT
@@ -33,6 +33,10 @@ URL:            http://www.dnspython.org
 
 Source0:        http://www.dnspython.org/kits/%{version}/%{pypi_name}-%{version}.tar.gz
 
+# A no-op typing module for import compatibility
+# This avoids the build dependency on python2-typing
+Source1:        typing.py
+
 BuildArch:      noarch
 Patch0:         unicode_label_escapify.patch
 Patch1:         collections_abc.patch
@@ -40,7 +44,6 @@ Patch1:         collections_abc.patch
 %if %{with python2}
 BuildRequires:  python2-devel
 BuildRequires:  python2-setuptools
-BuildRequires:  python2-typing
 BuildRequires:  python2-pycryptodomex
 %endif
 
@@ -141,7 +144,9 @@ find examples -type f | xargs chmod a-x
 
 %check
 %if %{with python2}
+  cp %{SOURCE1} .
   %{__python2} setup.py test
+  rm typing.py{,?}
 %endif
 
 %if %{with python3}
@@ -179,6 +184,9 @@ find examples -type f | xargs chmod a-x
 
 
 %changelog
+* Mon Feb 03 2020 Miro Hrončok <mhroncok@redhat.com> - 1.16.0-8
+- Drop build dependency on python2-typing
+
 * Thu Jan 30 2020 Fedora Release Engineering <releng@fedoraproject.org> - 1.16.0-7
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_32_Mass_Rebuild
 

typing.py

@@ -0,0 +1,4 @@
+Set = Dict = None
+
+def cast(type, obj):
+    return obj